Pith Number

pith:EEPXDIWM

pith:2005:EEPXDIWM24NPEAOW2UUBQUTOYJ

not attested not anchored not stored refs pending

Pinwheels and bypasses

Gordana Matic, Ko Honda, William H. Kazez

arxiv:math/0501354 v3 · 2005-01-21 · math.GT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEPXDIWM24NPEAOW2UUBQUTOYJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:41:32.113112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

211f71a2ccd71af201d6d52818526ec26526f55d37259d85c601e92e0c1715bd

Aliases

arxiv: math/0501354 · arxiv_version: math/0501354v3 · doi: 10.48550/arxiv.math/0501354 · pith_short_12: EEPXDIWM24NP · pith_short_16: EEPXDIWM24NPEAOW · pith_short_8: EEPXDIWM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EEPXDIWM24NPEAOW2UUBQUTOYJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 211f71a2ccd71af201d6d52818526ec26526f55d37259d85c601e92e0c1715bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28eed2c27a5693d752ac586486f131fe7ddae152853671c56bec87903d0006ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2005-01-21T19:19:12Z",
    "title_canon_sha256": "c68ad6f33c23a4426b6be0aa86320ed237a2531e2cd1828ce37d54547a416388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0501354",
    "kind": "arxiv",
    "version": 3
  }
}